/usr/share/idl/thunderbird/nsIContentPrefService.idl is in thunderbird-dev 1:52.8.0-1~deb8u1.
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* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "nsISupports.idl"
interface nsIVariant;
interface nsIPropertyBag2;
interface nsIContentURIGrouper;
interface nsILoadContext;
interface mozIStorageConnection;
[scriptable, uuid(43635c53-b445-4c4e-8cc5-562697299b55)]
interface nsIContentPrefObserver : nsISupports
{
/**
* Called when a content pref is set to a different value.
*
* @param aGroup the group to which the pref belongs, or null
* if it's a global pref (applies to all sites)
* @param aName the name of the pref that was set
* @param aValue the new value of the pref
* @param aIsPrivate an optional flag determining whether the
* original context is private or not
*/
void onContentPrefSet(in AString aGroup,
in AString aName,
in nsIVariant aValue,
[optional] in boolean aIsPrivate);
/**
* Called when a content pref is removed.
*
* @param aGroup the group to which the pref belongs, or null
* if it's a global pref (applies to all sites)
* @param aName the name of the pref that was removed
* @param aIsPrivate an optional flag determining whether the
* original context is private or not
*/
void onContentPrefRemoved(in AString aGroup,
in AString aName,
[optional] in boolean aIsPrivate);
};
[scriptable, function, uuid(c1b3d6df-5373-4606-8494-8bcf14a7fc62)]
interface nsIContentPrefCallback : nsISupports
{
void onResult(in nsIVariant aResult);
};
/**
* @deprecated Please use nsIContentPrefService2 instead.
*/
[scriptable, uuid(e3f772f3-023f-4b32-b074-36cf0fd5d414)]
interface nsIContentPrefService : nsISupports
{
/**
* Get a pref.
*
* Besides the regular string, integer, boolean, etc. values, this method
* may return null (nsIDataType::VTYPE_EMPTY), which means the pref is set
* to NULL in the database, as well as undefined (nsIDataType::VTYPE_VOID),
* which means there is no record for this pref in the database.
*
* This method can be called from content processes in electrolysis builds.
* We have a whitelist of values that can be read in such a way.
*
* @param aGroup the group for which to get the pref, as an nsIURI
* from which the hostname will be used, a string
* (typically in the format of a hostname), or null
* to get the global pref (applies to all sites)
* @param aName the name of the pref to get
* @param aPrivacyContext
* a context from which to determine the privacy status
* of the pref (ie. whether to search in memory or in
* permanent storage for it), obtained from a relevant
* window or channel.
* @param aCallback an optional nsIContentPrefCallback to receive the
* result. If desired, JavaScript callers can instead
* provide a function to call upon completion
*
* @returns the value of the pref
* @throws NS_ERROR_ILLEGAL_VALUE if aGroup is not a string, nsIURI, or null
* @throws NS_ERROR_ILLEGAL_VALUE if aName is null or an empty string
*/
nsIVariant getPref(in nsIVariant aGroup, in AString aName,
in nsILoadContext aPrivacyContext,
[optional] in nsIContentPrefCallback aCallback);
/**
* Set a pref.
*
* This method can be called from content processes in electrolysis builds.
* We have a whitelist of values that can be set in such a way.
*
* @param aGroup the group for which to set the pref, as an nsIURI
* from which the hostname will be used, a string
* (typically in the format of a hostname), or null
* to set the global pref (applies to all sites)
* @param aName the name of the pref to set
* @param aValue the new value of the pref
* @param aPrivacyContext
* a context from which to determine the privacy status
* of the pref (ie. whether to store it in memory or in
* permanent storage), obtained from a relevant
* window or channel.
* @throws NS_ERROR_ILLEGAL_VALUE if aGroup is not a string, nsIURI, or null
* @throws NS_ERROR_ILLEGAL_VALUE if aName is null or an empty string
*/
void setPref(in nsIVariant aGroup, in AString aName, in nsIVariant aValue, in nsILoadContext aPrivacyContext);
/**
* Check whether or not a pref exists.
*
* @param aGroup the group for which to check for the pref, as an nsIURI
* from which the hostname will be used, a string
* (typically in the format of a hostname), or null
* to check for the global pref (applies to all sites)
* @param aName the name of the pref to check for
* @param aPrivacyContext
* a context from which to determine the privacy status
* of the pref (ie. whether to search in memory or in
* permanent storage for it), obtained from a relevant
* window or channel.
* @throws NS_ERROR_ILLEGAL_VALUE if aGroup is not a string, nsIURI, or null
* @throws NS_ERROR_ILLEGAL_VALUE if aName is null or an empty string
*/
boolean hasPref(in nsIVariant aGroup, in AString aName, in nsILoadContext aContext);
/**
* Check whether or not the value of a pref (or its non-existance) is cached.
*
* @param aGroup the group for which to check for the pref, as an nsIURI
* from which the hostname will be used, a string
* (typically in the format of a hostname), or null
* to check for the global pref (applies to all sites)
* @param aName the name of the pref to check for
* @param aPrivacyContext
* a context from which to determine the privacy status
* of the pref (ie. whether to search in memory or in
* permanent storage for it), obtained from a relevant
* window or channel.
* @throws NS_ERROR_ILLEGAL_VALUE if aGroup is not a string, nsIURI, or null
* @throws NS_ERROR_ILLEGAL_VALUE if aName is null or an empty string
*/
boolean hasCachedPref(in nsIVariant aGroup, in AString aName, in nsILoadContext aContext);
/**
* Remove a pref.
*
* @param aGroup the group for which to remove the pref, as an nsIURI
* from which the hostname will be used, a string
* (typically in the format of a hostname), or null
* to remove the global pref (applies to all sites)
* @param aName the name of the pref to remove
* @param aPrivacyContext
* a context from which to determine the privacy status
* of the pref (ie. whether to search in memory or in
* permanent storage for it), obtained from a relevant
* window or channel.
* @throws NS_ERROR_ILLEGAL_VALUE if aGroup is not a string, nsIURI, or null
* @throws NS_ERROR_ILLEGAL_VALUE if aName is null or an empty string
*/
void removePref(in nsIVariant aGroup, in AString aName, in nsILoadContext aContext);
/**
* Remove all grouped prefs. Useful for removing references to the sites
* the user has visited when the user clears their private data.
*
* @param aPrivacyContext
* a context from which to determine the privacy status
* of the pref (ie. whether to remove prefs in memory or
* in permanent storage), obtained from a relevant
* window or channel.
*/
void removeGroupedPrefs(in nsILoadContext aContext);
/**
* Remove all prefs with the given name.
*
* @param aName the setting name for which to remove prefs
* @param aPrivacyContext
* a context from which to determine the privacy status
* of the prefs (ie. whether to remove prefs in memory or
* in permanent storage), obtained from a relevant
* window or channel.
* @throws NS_ERROR_ILLEGAL_VALUE if aName is null or an empty string
*/
void removePrefsByName(in AString aName, in nsILoadContext aContext);
/**
* Get the prefs that apply to the given site.
*
* @param aGroup the group for which to retrieve prefs, as an nsIURI
* from which the hostname will be used, a string
* (typically in the format of a hostname), or null
* to get the global prefs (apply to all sites)
* @param aPrivacyContext
* a context from which to determine the privacy status
* of the pref (ie. whether to search for prefs in memory
* or in permanent storage), obtained from a relevant
* window or channel.
*
* @returns a property bag of prefs
* @throws NS_ERROR_ILLEGAL_VALUE if aGroup is not a string, nsIURI, or null
*/
nsIPropertyBag2 getPrefs(in nsIVariant aGroup, in nsILoadContext aContext);
/**
* Get the prefs with the given name.
*
* @param aName the setting name for which to retrieve prefs
* @param aPrivacyContext
* a context from which to determine the privacy status
* of the pref (ie. whether to search for prefs in memory
* or in permanent storage), obtained from a relevant
* window or channel.
*
* @returns a property bag of prefs
* @throws NS_ERROR_ILLEGAL_VALUE if aName is null or an empty string
*/
nsIPropertyBag2 getPrefsByName(in AString aName, in nsILoadContext aContext);
/**
* Add an observer.
*
* @param aName the setting to observe, or null to add
* a generic observer that observes all settings
* @param aObserver the observer to add
*/
void addObserver(in AString aName, in nsIContentPrefObserver aObserver);
/**
* Remove an observer.
*
* @param aName the setting being observed, or null to remove
* a generic observer that observes all settings
* @param aObserver the observer to remove
*/
void removeObserver(in AString aName, in nsIContentPrefObserver aObserver);
/**
* The component that the service uses to determine the groups to which
* URIs belong. By default this is the "hostname grouper", which groups
* URIs by full hostname (a.k.a. site).
*/
readonly attribute nsIContentURIGrouper grouper;
/**
* The database connection to the content preferences database.
* Useful for accessing and manipulating preferences in ways that are caller-
* specific or for which there is not yet a generic method, although generic
* functionality useful to multiple callers should generally be added to this
* unfrozen interface. Also useful for testing the database creation
* and migration code.
*/
readonly attribute mozIStorageConnection DBConnection;
};
%{C++
// The contractID for the generic implementation built in to xpcom.
#define NS_CONTENT_PREF_SERVICE_CONTRACTID "@mozilla.org/content-pref/service;1"
%}
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